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You need to ensure that the code can be compiled

You are developing an application.
The application contains the following code:

When you compile the code, you receive the following syntax error message: “A previous catch
clause already catches all exceptions of this or a super type (‘System.Exception’).”
You need to ensure that the code can be compiled. What should you do?

PrepAway - Latest Free Exam Questions & Answers

A.
Catch the ArgumentException exception instead of the ArgumentNullException exception.

B.
Throw a new exception in the second catch block.

C.
Catch the ArgumentNullException exception first.

D.
Re-throw the exception caught by the second catch block.

5 Comments on “You need to ensure that the code can be compiled”

    1. ici says:

      I believe question shoud be:

      …
      catch(Exception e)
      {..}
      catch(ArgumentNullException e)
      {..}
      …

      Then the correct answer should be C – Catch the ArgumentNullException exception first.




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  3. Lord Vader says:

    question has to be wrong. wasted time trying to look for trick.

    what ICI said.it couldnt be anything else

    exception -> systemexception -> argumentexception->argumentnullexception




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